i2c: Whitespace cleanups

Remove extraneous whitespace from various i2c headers and core files,
like space-before-tab and whitespace at end of line.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

diff --cc drivers/i2c/i2c-core.c
Simple merge

diff --cc drivers/i2c/i2c-dev.c
Simple merge

diff --cc include/linux/i2c-algo-bit.h
Simple merge

diff --cc include/linux/i2c-algo-pcf.h
Simple merge

diff --cc include/linux/i2c-id.h
Simple merge

diff --cc include/linux/i2c.h
Simple merge